Home / 6,724.40-10,090.24-2,831.52

Finding the Fourth Proportional to 6,724.40, 10,090.24 and 2,831.52

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Solution

The fourth proportional to 6,724.40, 10,090.24 and 2,831.52 is: 4,248.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.40 : 10,090.24 = 2,831.52 : x
  2. Step 2: Convert to fraction form
    6,724.40/10,090.24 = 2,831.52/x
  3. Step 3: Cross multiply
    6,724.40x = 10,090.24 × 2,831.52
  4. Step 4: Simplify right side
    6,724.40x = 28,570,716.36
  5. Step 5: Solve for x
    x = 28,570,716.36/6,724.40
  6. Step 6: Final answer
    x = 4,248.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.